Michael Fassbender
Thomas Rongen
Oscar Kightley
Tavita
Kaimana
Jaiyah
David Fane
Ace
Rachel House
Ruth
Beulah Koale
Daru
Taika Waititi
American Samoan Priest
Will Arnett
Alex Magnussen
Elisabeth Moss
Gail
Uli Latukefu
Nicky Salapu
Sisa Grey
Convenient Store Cashier
Semu Filipo
Rambo
Chris Alosio
Jonah
Lehi Makisi Falepapalangi
Pisa
Hio Pelesasa
Samson
Wil Kahele
"Who's on the Plane" Reporter
Rhys Darby
Rhys Marlin
Luke Hemsworth
Keith
Angus Sampson
Angus Bendleton
Kaitlyn Dever
Nicole (voice)
Patrick Mullen
Tongan Player #2
Loretta Ables Sayre
Rambo's Mom
Lori Pelenise Tuisano
American Samoan Woman #1
Russell Satele
Russell Satele (uncredited)
Ioane Goodhue
Smiley
Levy Tuiala
Chief Sila
James Burghardt
Tongan Player #1
Jonathan J.I. Knox
Game Referee
Don Nahaku
Tongan Coach
Tulalagalaga Tatalo Wily
American Samoan Woman #2
Armani Makaiwa
Armani
William Chun
Store Local
Roland Tupola
Tongan Player #3
David Tu'itupou
Tall David
Martin Tyler
Commentator